cmake: dtc: Validate EXTRA_DTC_FLAGS flags
Make sure the flags in EXTRA_DTC_FLAGS are valid for the version of dtc
we have and only invoke dtc with flags it supports.
Fixes #32644
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
diff --git a/cmake/dts.cmake b/cmake/dts.cmake
index a732fe2..e203d46 100644
--- a/cmake/dts.cmake
+++ b/cmake/dts.cmake
@@ -188,6 +188,14 @@
if (check)
set(DTC_NO_WARN_UNIT_ADDR "-Wno-unique_unit_address")
endif()
+ set(VALID_EXTRA_DTC_FLAGS "")
+ foreach(extra_opt ${EXTRA_DTC_FLAGS})
+ check_dtc_flag(${extra_opt} check)
+ if (check)
+ list(APPEND VALID_EXTRA_DTC_FLAGS ${extra_opt})
+ endif()
+ endforeach()
+ set(EXTRA_DTC_FLAGS ${VALID_EXTRA_DTC_FLAGS})
execute_process(
COMMAND ${DTC}
-O dts
